Cobalt Hydroxide CAS 21041-93-0 | Battery Grade & Industrial Grade Supplier
Product Name: Cobalt Hydroxide
Chemical Name: Cobalt(II) Hydroxide
CAS Number: 21041-93-0
Other Names: Cobalt Dihydroxide, Cobalt Dihydroxide
Product Description
Cobalt hydroxide is a red to pink powdered compound with the chemical formula Co(OH)₂. It is an important raw material for cobalt compounds, exhibiting excellent catalytic activity and electrochemical properties. It is widely used in lithium-ion battery cathode materials, catalysts, ceramic pigments, magnetic materials, and other fields.
In the new energy industry chain, cobalt hydroxide is a key intermediate in the preparation of lithium cobalt oxide, cobalt salts, and other cobalt-based materials.
Physical & Chemical Properties
| Property | Specification |
|---|---|
| Product Name | Cobalt(II) Hydroxide |
| CAS Number | 21041-93-0 |
| Molecular Formula | Co(OH)₂ |
| Molecular Weight | 92.95 g/mol |
| Appearance | Pink to red powder |
| Purity | ≥99% |
| Density | 3.6 g/cm³ |
| Solubility | Insoluble in water; soluble in acids |
| Melting Point | Decomposes before melting |
| Shelf Life | 24 months |
Applications
New energy battery materials (cobalt hydroxide for lithium batteries): used in the production of lithium cobalt oxide (LiCoO₂) cathode materials
Chemical catalysts (cobalt hydroxide catalyst): used in petrochemicals and organic synthesis reactions
Ceramic and glass pigments (cobalt hydroxide pigment): used for blue and green ceramic and glass coloring
Magnetic materials (cobalt hydroxide magnetic materials): used in the manufacture of high-performance permanent magnet alloys
Other cobalt salt preparations: cobalt sulfate, cobalt chloride, etc.
Product Advantages
High purity ≥99%, battery-grade and industrial-grade options available
Uniform particles, excellent flowability, and easy dispersion
Particle size and packaging can be customized according to customer requirements
Factory direct sales at competitive prices
Full set of test reports (COA, MSDS, TDS) provided
Company Strengths
Over 15 years of experience in cobalt compound production and export
ISO and SGS certified quality management systems
Exporting to over 50 countries and regions worldwide
Providing one-stop technical support and logistics services
Packaging and Storage
Packaging: 25kg/bag or 25kg/drum
Storage: Store in a sealed container in a cool, dry place
Shelf Life: 24 months
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